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Summary of CPR classification: classes B2, C, D and E
CRITERIA FOR CLASSIFICATION OF ELECTRICAL CABLES
The main criterion of the classification of electrical cables under the new European CPR fundamentally analyses two aspects: the reaction of electrical cables to fire and their emission of dangerous substances.
The CPR defines several classes that indicate the impact of cables on the spread of fire, using a series of parameters obtained from the corresponding tests.
The CPR includes four classes that apply directly to electrical cables: B2, C, D and E.
These classes refer to combustible cables ranked in order of fire growth rate (FIGRA) and heat release.